[DRILL-2565] Add AlreadyClosedSqlException, some key checks, and test for future DRILL-2489 fix.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Component/s: Client - JDBC
• Assignee: Daniel Barclay
• Reporter: Daniel Barclay
• Created: 25/Mar/15 20:46
• Updated: 27/Aug/15 21:20
• Resolved: 08/Apr/15 17:22

Description

• Created AlreadyClosedSqlException.
• (Moved JdbcApiSqlException to subclass of SQLNonTransientException.)
• Created test Drill2489CallsAfterCloseThrowExceptionsTest (partial --covers Connection, Statement, and ResultSet methods).
• Added already-closed checking in a handful of places ( for now, just to confirm added exception and pattern in test).

Issue Links

• is related to: DRILL-2628 sqlline hangs and then asserts when trying to execute anything on a dead JDBC connection
• supercedes: DRILL-2320 ResultSet.next() after ResultSet.close() throws NullPointerException (not SQLException)